When legendary Disney animator Mark Henn retired from the Walt Disney Company last December, it marked the true end of an era. Henn had worked at Walt Disney Animation for 43 years, helping to supervise the animation of five Disney Princesses Ariel, Belle, Jasmine, Mulan, and Tiana. Henn started his career at Disney in 1980, working on films like The Great Mouse Detective and The Rescuers Down...